Dental tool



FIG. 1 is an isometric view of the design of my invention;

FIG. 2 is an elevated side of the view of the design of my invention;

FIG. 3 is an elevational view of the top of my invention; and,

FIG. 4 is an elevational view of the bottom of my invention.

The portion of the tool illustrated in dot and dash does not constitute a part of the invention. 

The ornamental design for a dental tool, substantially as shown and described. 